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91255-11-7

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91255-11-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 91255-11-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,2,5 and 5 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 91255-11:
(7*9)+(6*1)+(5*2)+(4*5)+(3*5)+(2*1)+(1*1)=117
117 % 10 = 7
So 91255-11-7 is a valid CAS Registry Number.

91255-11-7Downstream Products

91255-11-7Relevant articles and documents

ACETALS OF LACTAMS AND ACID AMIDES. 47.* INVESTIGATION OF THE BEHAVIOR OF SUBSTITUTED 6-(β-DIMETHYLAMINO)VINYL-4-PYRIMIDINONES IN ACID MEDIA. SYNTHESIS OF 3-CYANO-4-ANILINO-5-FORMYL-2-PYRIDONE AND 3-CHLORO-4-CYANOBENZONAPHTHYRIDINE

Yalysheva, N.Z.,Solov'eva, N.P.,Chistyakov, V.V.,Sheinker, Yu.N.,Granik, V.G.

, p. 909 - 914 (2007/10/02)

The hydrolysis of 1-substituted 5-cyano-6-(β-dimethylamino)vinyl-4-pyrimidinones in acidic media was studied.It was shown that the 1-benzyl derivative is converted to a mixture of α-cyano-4β-benzylamino-crotonamide and 3-cyano- and 3-carbamido-4-benzyl-amino-2-pyridones.The principal product in the hydrolysis of the 1-phenyl derivative is 3-cyano-4-anilino-5-formyl-2-pyridone.Cyclization of the latter by heating in phosphorus oxychloride leads to 3-chloro-4-cyanobenzonaphthyridine.

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